Lost Worlds: Life on Mars?

Mars was once a very different planet, with rivers, lakes, and —
potentially — life. NASA’s latest Mars rover is on a mission to
find traces of past life. What happens if it does? This is the
third episode of our new four-part series, Lost Worlds. For more,
go to http://vox.com/unexplainable It’s a great place to view show
transcripts and read more about the topics on our show. Also, email
us! unexplainable@vox.com We read every email. Support
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